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    • Characterization of carboxy methylcellulose doped with DTAB as new types of biopolymer electrolytes

      A S Samsudin M I N Isa

      Volume 35 Issue 7 December 2012 pp 1123-1131

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      https://www.ias.ac.in/article/fulltext/boms/035/07/1123-1131

    • Keywords

       

      Cellulose; Fourier transform infrared (FTIR) spectroscopy; X-ray diffraction (XRD); electrical properties; relaxation process.

    • Abstract

       

      The investigation of new solid biopolymer electrolyte (BEs) system based on carboxy methylcellulose (CMC) is creating opportunity for new types of electrochemical devices, which may themselves, in turn, revolutionize many industrial areas. Biodegradable carboxy methylcellulose (CMC) doped with dodecyltrimethyl ammonium bromide (DTAB) as BEs were prepared via solution-casting method. Upon addition of 35 wt. % of DTAB, highest ionic conductivity of 7.72 × 10-4 Scm-1 was achieved due to its higher amorphous region compared to other samples prepared. This result had been further proven in FTIR study. Temperature dependence relationship obeys the Arrhenius rule from which the activation energy, 𝐸a, for ionic conductivity and activation energy for relaxation process, 𝐸𝜏, were evaluated. The divergent values between 𝐸a for ionic conductivity and relaxation process 𝐸𝜏 shows that the ions hop by jumping over a potential barrier.

    • Author Affiliations

       

      A S Samsudin1 M I N Isa1

      1. Advanced Materials Research Group, Renewable Energy Research Interest Group, Department of Physical Sciences, Faculty of Science & Technology, Universiti Malaysia Terengganu, 21300 Kuala Terengganu, Terengganu, Malaysia

    • Dates

       
      Published
      December 2012
      Manuscript received
      1 October 2011
      Manuscript revised
      22 February 2012

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